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+;RUN: opt -S -O1 -debug-pass=Arguments 2>&1 | FileCheck %s
+;RUN: opt -S -O2 -debug-pass=Arguments 2>&1 | FileCheck %s
+;RUN: opt -S -Os -debug-pass=Arguments 2>&1 | FileCheck %s
+;RUN: opt -S -Oz -debug-pass=Arguments 2>&1 | FileCheck %s
+;RUN: opt -S -O3 -debug-pass=Arguments 2>&1 | FileCheck %s
+
+; Just check that we get a non-empty set of passes for each -O opton.
+;CHECK: Pass Arguments: {{.*}} -print-module
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